foreign worker ghosted Korea workplace change Korea labor office foreign workers Korea teaching jobs Korea foreign worker resignation jobs in Korea for foreigners non-teaching jobs Korea work in South Korea 2025 English jobs Korea employer shutdown foreign worker Korea labor office Korea foreign worker mistakes Korea visa violation part time korea korea employment visa E-7 visa Korea fired in Korea visa resigning job korea foreign worker severance Korea labor office communication Korea unpaid salary Korea foreigner KOTRA job fair Seoul Global Center foreigner jobs Seoul work visa status visa sponsorship Korea work visa korea rules company closed Korea visa XpatJobs change job korea visa job termination Korea foreigner foreign worker reporting delay Korea salary not paid Korea labor rights foreigners Korea Saramin Korean labor law foreigners job change visa korea process foreign worker korea immigration reporting steps foreign worker job change korea Kowork severance pay Korea unpaid wages Korea freelance jobs Korea foreign worker Korea unpaid wages foreigner Korea job change Korea Korea job platforms visa reporting timing Korea notice period korea e7 visa job change korea foreign worker job change retirement pay Korea unpaid severance Korea employer no response Korea expat career Korea quitting job Korea foreigner work visa korea LinkedIn Korea foreign employment law korea visa reporting deadline Korea JobKorea Korea job search guide foreign worker side job korea foreign worker visa korea rules job change korea immigration work compliance workplace change reporting Korea foreign worker part-time jobs Korea foreign worker unsafe work Korea